/*
package com.itheima.service;

import com.itheima.domain.Book;

import java.util.List;

public interface BookService {

    */
/***
     * 保存
     * @param book
     * @return
     *//*

    public boolean save(Book book);

    */
/***
     * 修改
     * @param book
     * @return
     *//*

    public boolean update(Book book);

    */
/****
     * 按id删除
     * @param id
     * @return
     *//*

    public boolean delete(Integer id);

    */
/***
     * 按id查询
     * @param id
     * @return
     *//*

    public Book getById(Integer id);

    */
/***
     * 查询所有
     * @return
     *//*

    public List<Book> getAll();
}
*/
